Härdle, W. K., Liang, H., & Gao, J. Partially Linear Models. Springer International Publishing.
Lua i Stíl Chicago (17ú heag.)Härdle, Wolfgang Karl, Hua Liang, agus Jiti Gao. Partially Linear Models. Cham: Springer International Publishing.
Lua MLA (8ú heag.)Härdle, Wolfgang Karl, et al. Partially Linear Models. Springer International Publishing.
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